B550B Steel Rebar
Unique Features of B550B Steel Rebar
B550B steel rebar stands out for its high yield strength of 550 MPa (79,800 psi) and its tensile strength of up to 650 MPa (94,300 psi), providing a robust foundation for reinforced concrete. The rebar’s ribbed surface creates a strong bond with the surrounding concrete, improving the overall stability and performance of the structure. Additionally, B550B rebar’s corrosion resistance ensures that it can withstand harsh environmental conditions, such as moisture and chemicals. Its flexibility and high strength make it suitable for use in complex, custom designs without compromising its mechanical properties.
Technical Specifications for B550B Steel Rebar
| Property | Value |
|---|---|
| Grade | B550B |
| Yield Strength | ≥ 550 MPa (79,800 psi) |
| Tensile Strength | ≥ 650 MPa (94,300 psi) |
| Elongation | ≥ 12% |
| Chemical Composition | Carbon (C): 0.30-0.40%, Manganese (Mn): 0.50-1.50%, Phosphorus (P): ≤ 0.035%, Sulfur (S): ≤ 0.035%, Silicon (Si): ≤ 0.30% |
| Surface | Ribbed |
| Standard | EN 10080, BS 4449 (Europe), AS 4671 (Australia) |
| Tolerance | Diameter tolerance: ±0.5mm, Length tolerance: ±20mm |
| Length | Typically 6m, 9m, 12m, or customized |

Applications of B550B Steel Rebar
- Infrastructure Construction: B550B rebar is widely used in the construction of bridges, tunnels, and highways, where high strength and durability are necessary to withstand heavy loads and harsh conditions.
- High-Rise Buildings: The superior tensile strength of B550B rebar makes it an excellent choice for reinforcing the structural integrity of skyscrapers and multi-story buildings.
- Seismic Zones: Due to its flexibility and strength, B550B rebar is often used in seismic construction to ensure that structures remain stable during earthquakes and other dynamic events.
Packaging and Shipping
we ensure that B550B steel rebar is securely packaged and ready for efficient transportation. Our rebar is bundled and shrink-wrapped to prevent any damage during shipping. We offer flexible shipping solutions, including sea freight, to meet project deadlines. Custom packaging and labeling options are available for large orders or specific project requirements. Each shipment is accompanied by quality certificates and necessary documentation for smooth customs clearance.
Frequently Asked Questions (FAQ) for B550B Steel Rebar
- What is the yield strength of B550B steel rebar?
- B550B rebar has a minimum yield strength of 550 MPa (79,800 psi), making it ideal for high-performance applications.
- Can B550B steel rebar be used in seismic construction?
- Yes, B550B rebar is suitable for seismic applications due to its high strength, flexibility, and ability to withstand dynamic forces during an earthquake.
- What is the tensile strength of B550B steel rebar?
- B550B rebar has a tensile strength of at least 650 MPa (94,300 psi), providing a high load-bearing capacity for reinforced concrete.
- What standards does B550B steel rebar comply with?
- B550B rebar meets international standards such as EN 10080 (Europe), BS 4449 (United Kingdom), and AS 4671 (Australia).
- What is the typical length of B550B steel rebar?
- B550B rebar is typically available in 6m, 9m, and 12m lengths, but custom lengths can be provided upon request.
- Can B550B steel rebar be bent for custom designs?
- Yes, B550B rebar can be bent for use in complex designs without compromising its mechanical performance or structural integrity.










